Re: [RFC PATCH] ceph: do not direct write executes in parallel if O_APPEND is set

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To: xiubli@xxxxxxxxxx
Subject: Re: [RFC PATCH] ceph: do not direct write executes in parallel if O_APPEND is set
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 3 Feb 2020 00:36:46 -0800
Cc: jlayton@xxxxxxxxxx, idryomov@xxxxxxxxx, zyan@xxxxxxxxxx, sage@xxxxxxxxxx, pdonnell@xxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx
In-reply-to: <20200131133619.14209-1-xiubli@redhat.com>
References: <20200131133619.14209-1-xiubli@redhat.com>

On Fri, Jan 31, 2020 at 08:36:19AM -0500, xiubli@xxxxxxxxxx wrote:
> From: Xiubo Li <xiubli@xxxxxxxxxx>
> 
> In O_APPEND & O_DIRECT mode, the data from different writers will
> be possiblly overlapping each other. Just use the exclusive clock
> instead in O_APPEND & O_DIRECT mode.

s/clock/lock/

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  - From: Xiubo Li

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  - From: xiubli

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